Terminals Of Ecu

WARNING: This page is about a different car, the 2006 Toyota Corolla and 2005 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TVIP ECU

Fig 1: Identifying ECU Terminal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the TVIP ECU connector. Check the resistance and voltage of each terminal of the connector.
  Standard:
  
  Fig 2: ECU Terminal Voltage Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, the vehicle's side may have a malfunction.
2. Reconnect the TVIP ECU connector. Check the resistance and voltage of each terminal of the connector.
Standard:

Fig 3: ECU Symbol Condition Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, the TVIP ECU may have a malfunction.
INSPECT INTEGRATION RELAY

Fig 4: Identifying Integration Relay Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the connector and check the resistance of each terminal of the connector.
  
  Fig 5: ECU Symbol Condition Chart
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, the vehicle's side may have a malfunction.
INSPECT INSTRUMENT PANEL J/B (INTEGRATION RELAY)

Fig 6: Identifying Instrument Panel
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the ID connector of the instrument panel J/B, and check the resistance of each terminal of the connector.
Standard:

Fig 7: ECU Symbol Condition Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, the vehicle's side may have a malfunction.